Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 11:26:16 AM (PDT) on Tuesday, September 30, 2025.
The magnitude 2.4 event occurred 3 km (2 miles) SSE of Pacifica, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.4 - duration magnitude (Md) |
| Time | Tuesday, September 30, 2025 at 11:26:16 AM (PDT) Tuesday, September 30, 2025 at 18:26:16 (UTC) |
| Distance from |
Pacifica, CA - 3 km (2 miles) SSE (147 degrees) Montara, CA - 7 km (4 miles) NE (39 degrees) San Bruno, CA - 7 km (4 miles) SW (227 degrees) Millbrae, CA - 7 km (4 miles) W (262 degrees) Hillsborough, CA - 8 km (5 miles) WNW (282 degrees) |
| Coordinates | 37 deg. 35.4 min. N (37.589N), 122 deg. 28.0 min. W (122.467W) |
| Depth | 9.51 km (5.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=44, Nph=42, Dmin=3.1 km, Rmss=0.07 sec, Erho=0.21 km, Erzz=0.300000012 km, Gp=91 degrees |
| Event ID# | nc75243096 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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